Growth Marketing Manager (B2B & Linkedin Focus) - Part Time

About Harper

Harper is transforming online fashion retail with elevated Try Before You Buy shopping experiences. Our services give customers the ultimate online shopping experience whilst helping retailers increase conversion rates, average transaction value (ATV), and profitability.

We partner with some of the leading names in fashion, including Paul Smith, ME+EM, Victoria Beckham, Rixo, Self Portrait, Nobody's Child, and many more. Our model provides a frictionless experience for customers while driving more profitable ecommerce for retailers.

We're growing fast and looking for a freelance content-driven growth marketer to help us elevate our brand presence, drive inbound leads, and support sales.

The Role

We're looking for a freelance B2B Growth Marketer to drive our presence and lead-generation efforts, particularly on LinkedIn but also identifying other opportunities to support our ambitious growth plans.

You'll focus on increasing brand awareness, supporting sales efforts, and running experiments to attract and convert new retailer partners.

This role is perfect for someone who thrives on B2B growth, understands LinkedIn marketing, and can execute campaigns independently in a fast-moving startup.

What You'll Do

Develop and execute Harper's paid marketing strategy, taking the lead on our Linked campaign strategy and advert optimisation.

Support sales enablement, refining messaging and creating one-pagers, pitch decks, and email sequences to improve outbound effectiveness.

Identify growth initiatives, experiment with other channels and strategies including light paid marketing campaigns, email nurturing, and SEO-driven content strategies.

Manage co-marketing campaigns with Harper's partners, working with Harper's partners to promote the service through various marketing channels.

Who You Are

3+ years of experience in B2B marketing, demand generation, or growth marketing, ideally in SaaS, ecommerce, or retail tech.

Proven track record of successfully growing B2B businesses, with a focus on lead generation and growing brand awareness.

Experience working alongside sales teams, with an understanding of how marketing supports lead generation and deal closure.

Strategic thinker with a hands-on approach - able to set strategy and execute effectively.

Self-starter who thrives in fast-moving environments and can work independently.

Why Join Harper?

Work with leading fashion brands: Paul Smith, ME+EM, Victoria Beckham, Rixo, Self Portrait, Nobody's Child, and many more.

High-impact role: you'll shape the marketing function at a high-growth startup.

Flexible & remote-friendly: 1-2 days per week (1+ day per month at London HQ)

Room to grow: potential to scale as Harper expands.